org.apache.parquet.crypto

Class InternalFileDecryptor

java.lang.Object

org.apache.parquet.crypto.InternalFileDecryptor

public class InternalFileDecryptor
extends Object

Constructor Summary

Constructors

Constructor and Description
InternalFileDecryptor(FileDecryptionProperties fileDecryptionProperties)

Method Summary

Modifier and Type	Method and Description
boolean	checkFooterIntegrity()
AesGcmEncryptor	createSignedFooterEncryptor()
BlockCipher.Decryptor	fetchFooterDecryptor()
InternalColumnDecryptionSetup	getColumnSetup(ColumnPath path)
FileDecryptionProperties	getDecryptionProperties()
byte[]	getFileAAD()
boolean	plaintextFile()
boolean	plaintextFilesAllowed()
InternalColumnDecryptionSetup	setColumnCryptoMetadata(ColumnPath path, boolean encrypted, boolean encryptedWithFooterKey, byte[] keyMetadata, int columnOrdinal)
void	setFileCryptoMetaData(EncryptionAlgorithm algorithm, boolean encryptedFooter, byte[] footerKeyMetaData)
void	setPlaintextFile()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InternalFileDecryptor

public InternalFileDecryptor(FileDecryptionProperties fileDecryptionProperties)

Method Detail

getColumnSetup

public InternalColumnDecryptionSetup getColumnSetup(ColumnPath path)

fetchFooterDecryptor

public BlockCipher.Decryptor fetchFooterDecryptor()

setFileCryptoMetaData

public void setFileCryptoMetaData(EncryptionAlgorithm algorithm,
                                  boolean encryptedFooter,
                                  byte[] footerKeyMetaData)

setColumnCryptoMetadata

public InternalColumnDecryptionSetup setColumnCryptoMetadata(ColumnPath path,
                                                             boolean encrypted,
                                                             boolean encryptedWithFooterKey,
                                                             byte[] keyMetadata,
                                                             int columnOrdinal)

getFileAAD

public byte[] getFileAAD()

createSignedFooterEncryptor

public AesGcmEncryptor createSignedFooterEncryptor()

checkFooterIntegrity

public boolean checkFooterIntegrity()

plaintextFilesAllowed

public boolean plaintextFilesAllowed()

setPlaintextFile

public void setPlaintextFile()

plaintextFile

public boolean plaintextFile()

getDecryptionProperties

public FileDecryptionProperties getDecryptionProperties()